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This is a wonderful gps-very accurate. This is the first one I have used and it is very easy to understand. I wish I had read description better-there are no fresh water lakes included. The value is great for this product.
The 478 is perfect for roads and coastal waters. However, the chip available for additional information regarding inland lakes does not include the Army Corps of Engineers flood control lakes in the Northern PA area.
Does everything it claims to do and does it well, on both land and sea. Great battery life and good sensitivity and satellite reception.
Accepts data cards for additional map detail, points of interest & marine aerial photo reference. It features the U.S.
The mapping details are excellent.it has street maps & coastal charts. The screen size, coloring & resolution makes it quick & easy to read at a glance.
Much better than I expected.I wish I had it 2 months earlier. You can inter-phase it, use it as a depth finder & you can get satellite reception and use it as an XM radio.
It is user friendly. It is much more than a GPS.
marine detail map utilizing BlueChart g2 technololgy. Comes preloaded with City Navigator North America NT covering the U.S., Canada & Puerto Rico.
The US charts for the GPS are perfect. Worked great with wonderful definition and visuals--there were even tracks for entering difficult harbors. One thing to note, the marine charts for the Canadian shore of Lake Superior (the chip) are a bit off. The Garmin makes navigating so much easier. Would not want to sai without it.
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